Characteristics and frequency distribution of bone defect configurations in peri-implantitis lesions-A series of 193 cases
© 2020 The Authors. Clinical Implant Dentistry and Related Research Published by Wiley Periodicals LLC..
BACKGROUND: Knowledge on peri-implantitis bone defect characteristics and predictors is still limited.
PURPOSE: To describe peri-implantitis bone defect characteristics and identify possible predictors.
METHODS: Various parameters at patient- (age, gender, smoking, and supra-structure), implant- (surface, type, connection, platform, and misfit), and site level (region, alveolar ridge position, defect characteristics, neighboring structure) were recorded retrospectively.
RESULTS: Among 193 implants, the most prevalent defects were class Ic (25.4%), and Id (23.8%); a previously non-described category "class Id with only one bone wall" was frequently observed (11.9%). Mean intrabony defect depth and width ranged from 4.5 to 6.2 mm and from 2.7 to 2.9 mm, respectively; mean dehiscence extent ranged from 2.8 to 7.0 mm. A total of 37.8% of the defects presented horizontal bone loss and an intrabony component; in 52.7% of the implants, total defect extent was >6 mm. Jaw region, implant position within the alveolar ridge, and implant/abutment misfit showed significant associations either to defect configuration and/or defect extent.
CONCLUSION: (a) Most common peri-implantitis defects exhibited a combination of intrabony component and a buccal/oral dehiscence, while purely circumferential defects were relatively seldom; (b) implants with defects with bone dehiscence were placed more frequently closer to the lateral aspect of the ridge harboring the dehiscence; (c) implants placed in the lower anterior region had the highest risk for more severe peri-implant bone loss; and (d) peri-implant bone defects with only a single bone wall appropriate for regenerative procedure were relatively frequent.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:23 |
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| Enthalten in: |
Clinical implant dentistry and related research - 23(2021), 2 vom: 19. Apr., Seite 178-188 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wehner, Christian [VerfasserIn] |
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| Links: |
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| Themen: |
Bone defects |
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| Anmerkungen: |
Date Completed 15.04.2021 Date Revised 03.07.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/cid.12961 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM31742016X |
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| 100 | 1 | |a Wehner, Christian |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Characteristics and frequency distribution of bone defect configurations in peri-implantitis lesions-A series of 193 cases |
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| 500 | |a Date Completed 15.04.2021 | ||
| 500 | |a Date Revised 03.07.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2020 The Authors. Clinical Implant Dentistry and Related Research Published by Wiley Periodicals LLC. | ||
| 520 | |a BACKGROUND: Knowledge on peri-implantitis bone defect characteristics and predictors is still limited | ||
| 520 | |a PURPOSE: To describe peri-implantitis bone defect characteristics and identify possible predictors | ||
| 520 | |a METHODS: Various parameters at patient- (age, gender, smoking, and supra-structure), implant- (surface, type, connection, platform, and misfit), and site level (region, alveolar ridge position, defect characteristics, neighboring structure) were recorded retrospectively | ||
| 520 | |a RESULTS: Among 193 implants, the most prevalent defects were class Ic (25.4%), and Id (23.8%); a previously non-described category "class Id with only one bone wall" was frequently observed (11.9%). Mean intrabony defect depth and width ranged from 4.5 to 6.2 mm and from 2.7 to 2.9 mm, respectively; mean dehiscence extent ranged from 2.8 to 7.0 mm. A total of 37.8% of the defects presented horizontal bone loss and an intrabony component; in 52.7% of the implants, total defect extent was >6 mm. Jaw region, implant position within the alveolar ridge, and implant/abutment misfit showed significant associations either to defect configuration and/or defect extent | ||
| 520 | |a CONCLUSION: (a) Most common peri-implantitis defects exhibited a combination of intrabony component and a buccal/oral dehiscence, while purely circumferential defects were relatively seldom; (b) implants with defects with bone dehiscence were placed more frequently closer to the lateral aspect of the ridge harboring the dehiscence; (c) implants placed in the lower anterior region had the highest risk for more severe peri-implant bone loss; and (d) peri-implant bone defects with only a single bone wall appropriate for regenerative procedure were relatively frequent | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a bone defects | |
| 650 | 4 | |a clinical study | |
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| 700 | 1 | |a Durstberger, Gerlinde |e verfasserin |4 aut | |
| 700 | 1 | |a Arnhart, Christoph |e verfasserin |4 aut | |
| 700 | 1 | |a Rausch-Fan, Xiaohui |e verfasserin |4 aut | |
| 700 | 1 | |a Stavropoulos, Andreas |e verfasserin |4 aut | |
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